Hourly Weather | Today Tuesday, September 1, 2026
Plainfield, New Jersey
12 PM
Rainy Weather
81°
Feels Like 86°
65
Humidity: 77%
UV Index: 2
Wind: 7 mph
1 PM
Cloudy Weather
82°
Feels Like 91°
49
Humidity: 70%
UV Index: 3
Wind: 7 mph
2 PM
Cloudy Weather
84°
Feels Like 93°
34
Humidity: 66%
UV Index: 3
Wind: 8 mph
3 PM
Cloudy Weather
86°
Feels Like 93°
34
Humidity: 64%
UV Index: 2
Wind: 8 mph
4 PM
Cloudy Weather
84°
Feels Like 90°
37
Humidity: 67%
UV Index: 2
Wind: 8 mph
5 PM
Cloudy Weather
82°
Feels Like 88°
48
Humidity: 70%
UV Index: 1
Wind: 8 mph
6 PM
Stormy Weather
81°
Feels Like 84°
52
Humidity: 82%
UV Index: 0
Wind: 8 mph
7 PM
Cloudy Weather
79°
Feels Like 82°
44
Humidity: 82%
UV Index: 0
Wind: 6 mph
8 PM
Stormy Weather
77°
Feels Like 79°
51
Humidity: 87%
UV Index: 0
Wind: 6 mph
9 PM
Cloudy Weather
73°
Feels Like 77°
47
Humidity: 93%
UV Index: 0
Wind: 6 mph
10 PM
Cloudy Weather
72°
Feels Like 73°
40
Humidity: 95%
UV Index: 0
Wind: 6 mph
11 PM
Cloudy Weather
72°
Feels Like 73°
34
Humidity: 93%
UV Index: 0
Wind: 7 mph

Hourly Air Quality Forecast - AQI (US EPA)

12 PM
44 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.68 µg/m³
  • PM10: 11.95 µg/m³
  • O3: 0.045 ppm
  • NO2: 3.3 ppb
  • SO2: 1 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

1 PM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 9.15 µg/m³
  • PM10: 10.2 µg/m³
  • O3: 0.047 ppm
  • NO2: 3.1 ppb
  • SO2: 0.9 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

2 PM
45 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 8.94 µg/m³
  • PM10: 9.98 µg/m³
  • O3: 0.048 ppm
  • NO2: 3.1 ppb
  • SO2: 0.9 ppb
  • CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

3 PM
47 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 7.79 µg/m³
  • PM10: 8.62 µg/m³
  • O3: 0.050 ppm
  • NO2: 2.8 ppb
  • SO2: 0.8 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

4 PM
48 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.19 µg/m³
  • PM10: 6.77 µg/m³
  • O3: 0.052 ppm
  • NO2: 2.4 ppb
  • SO2: 0.7 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

5 PM
49 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.26 µg/m³
  • PM10: 5.71 µg/m³
  • O3: 0.052 ppm
  • NO2: 2.4 ppb
  • SO2: 0.6 ppb
  • CO: 0.11 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

6 PM
44 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.36 µg/m³
  • PM10: 5.93 µg/m³
  • O3: 0.047 ppm
  • NO2: 3.8 ppb
  • SO2: 0.7 ppb
  • CO: 0.12 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 PM
36 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.05 µg/m³
  • PM10: 6.93 µg/m³
  • O3: 0.038 ppm
  • NO2: 6 ppb
  • SO2: 0.9 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 PM
30 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 6.72 µg/m³
  • PM10: 7.87 µg/m³
  • O3: 0.032 ppm
  • NO2: 7 ppb
  • SO2: 0.9 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM
31 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.42 µg/m³
  • PM10: 8.81 µg/m³
  • O3: 0.027 ppm
  • NO2: 7.2 ppb
  • SO2: 0.7 ppb
  • CO: 0.16 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 PM
34 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.23 µg/m³
  • PM10: 9.92 µg/m³
  • O3: 0.022 ppm
  • NO2: 7.4 ppb
  • SO2: 0.6 ppb
  • CO: 0.17 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 PM
37 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 8.98 µg/m³
  • PM10: 10.69 µg/m³
  • O3: 0.016 ppm
  • NO2: 7.6 ppb
  • SO2: 0.5 ppb
  • CO: 0.18 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.